Pathogenesis and epidemiology of hog cholera.

A review is given on the infection with hog cholera (HC) virus resulting in various courses due to variabilities of the virus and the porcine host organism. Mechanisms by which the virus causes prenatal death or postnatal disease in pigs are considered. Epidemiological features relating to various courses of infection and disease patterns resulting from prenatal or postnatal contacts with the virus are discussed.